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OpenStudy (anonymous):
derivative of cos(n)x ?!
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OpenStudy (anonymous):
and Why?
OpenStudy (anonymous):
Hope http://people.hofstra.edu/stefan_waner/realworld/trig/trig3.html will help you!!!
OpenStudy (anonymous):
i cant use that for my question please help more
OpenStudy (anonymous):
Is it \[cos(nx)\] or \[cos^n(x)\]?
OpenStudy (mertsj):
-sin(n(x))
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